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Draw Newman Projections to illustrate the rotation of the C1-C2 bond in 1,1 dibromo-2,2-dimethylbutane. Draw four structures corresponding to dihedral angles of 0, 60, 120 and 180 degrees. Clearly indicate the best and worst in this set.
How do you do the problem- The pKa for lactic acid, CH3CH(OH)COOH, is 3.86. At physiological pH (7.40), which is the predominant form
What volume of ammonia could be made from the reaction of 2.5 liters of nitrogen (N2) and 8.5 liters of hydrogen (H2) at STP?
Given the following two solutions: 0.200 M HC2H3O2(aq) with pKa = 4.76 ; 0.200M NaOH(aq) A mixture is made using 50.0 mL of the HC2H3O2 and 25.0 mL of the NaOH. What is its pH?
working solution so you add five spatula tips full of salt to a large test tube and then make your working solution with only 5mL of deionized water.
You are provided with the instrumental information below, identify the compound it was obtained for, explaining your reasoning.
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
What mass of water would need to evaporate from your skin in order to dissipate 1.7 × 105 J of heat from your body? H2O(l) → H2O(g) ΔHvap = 40.7 kJ/mol
after finding the kinetic trace by bleaching food dye and finding the concentration and then graphing.
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
calculate the heat in joules released by the dissolving salt. Assume that the specific heat of the solution is the same as thar of pure water(4.184J/g- celcius) and that the calorimeter is perfect.
For the reaction: 2N2O5(g) -> 4NO2(g) + O2(g) at the time when N2O5 is being consumed at a rate of -6.0 × 10-4 M/s, what is the rate at which O2 is being formed?
Compute the number of moles of H2O will be formed from the reaction 75.1g benzene?
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